NorthSky
Major Contributor
Does it measure better after the ModWright upgrades?
Yes, as measured from people's ears. As for real graphs I'm sure they are around....before and after. Let me locate them for you Mike...
Does it measure better after the ModWright upgrades?
Yes, as measured from people's ears. As for real graphs I'm sure they are around....before and after. Let me locate them for you Mike...
We don't know if he heard anything. We need to establish that before we go and try to find a measurement to match it.Yes agreed, let's have the measurement which correlates with what Art V heard - but to my knowledge no-one has developed it so far.
If you do buy an AP try out the multitone testing option, it holds more promise than simple THD+N measurements.
It is trivial to read fidelity differences into anything. In countless situations I have thought I made a change, heard a difference, could explain it, and then realize I had not made any changes!What's your hypothesis that he didn't hear anything? If he heard nothing, how would it be possible to describe the 'nothing' that he heard?
I just had a momentary lapse of reason. It's raining real hard here right now with heavy winds...power can go out any second...
I have the last generation system (cascade sys-2522). The newer one (apx555) with the best spec nearly $30K. The lower costs ones they offer have worse specs.If I buy one I'll be trying every feature out that's for sure. Which one do you have Amir? For me the apx515 would be enough but I wish it had better specs for THD+N. To get the models with the better specs you need to buy the ones with a pile of I/O I would never use.
A question primarily to Sonny but everyone please feel free to chip in.
Do you often see what you would consider poor design in audio equipment?
What would you consider poor design, would omitting galvanic isolation from a USB DAC be poor practise?
Keith.
I have the last generation system (cascade sys-2522). The newer one (apx555) with the best spec nearly $30K. The lower costs ones they offer have worse specs.
I don't know that if I want to do this yet but let me know if you are interested in buying mine as I might upgrade to the new one.
The DAC in the PD2 uses the very best off all the above strategies I mentioned above for the USB. It had undergone several prototypes to get to this point and I had tested some as well. This is by far the best yet, and it seems to really be immune to variances in the connected computer finally.
Are the analog filter stages on a daughter-board connected above the DAC via J12?
I'd be a little concerned about capacitive coupling of noise to those traces between boards. Are they running over the power plane or are there gaps in the plane to minimize parasitic capacitance? Admittedly they're balanced, which does help quite a lot.
If you have pics of the analog filter board too that would be coolio.
Another thing just occurred to me - that's not an ESS DAC. AKM is better than ESS now?